/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.backends.gwt;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.HasArrayBufferView;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;
import java.util.HashMap;
import java.util.Map;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.utils.GdxRuntimeException;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.typedarrays.client.Uint8ArrayNative;
import com.google.gwt.typedarrays.shared.Float32Array;
import com.google.gwt.typedarrays.shared.Int16Array;
import com.google.gwt.typedarrays.shared.Int32Array;
import com.google.gwt.typedarrays.shared.TypedArrays;
import com.google.gwt.typedarrays.shared.Uint8Array;
import com.google.gwt.typedarrays.shared.ArrayBufferView;
import com.google.gwt.webgl.client.WebGLActiveInfo;
import com.google.gwt.webgl.client.WebGLBuffer;
import com.google.gwt.webgl.client.WebGLFramebuffer;
import com.google.gwt.webgl.client.WebGLProgram;
import com.google.gwt.webgl.client.WebGLRenderbuffer;
import com.google.gwt.webgl.client.WebGLRenderingContext;
import com.google.gwt.webgl.client.WebGLShader;
import com.google.gwt.webgl.client.WebGLTexture;
import com.google.gwt.webgl.client.WebGLUniformLocation;
public class GwtGL20 implements GL20 {
static final class IntMap<T extends JavaScriptObject> extends JavaScriptObject {
protected IntMap() {
super();
}
public static native <T extends JavaScriptObject> IntMap<T> create() /*-{
return [undefined];
}-*/;
public native T get(int key) /*-{
return this[key];
}-*/;
public native void put(int key, T value) /*-{
this[key] = value;
}-*/;
public native int add(T value) /*-{
this.push(value);
return this.length - 1;
}-*/;
public native T remove(int key) /*-{
var value = this[key];
delete this[key];
return value;
}-*/;
}
final IntMap<WebGLProgram> programs = IntMap.create();
final IntMap<WebGLShader> shaders = IntMap.create();
final IntMap<WebGLBuffer> buffers = IntMap.create();
final IntMap<WebGLFramebuffer> frameBuffers = IntMap.create();
final IntMap<WebGLRenderbuffer> renderBuffers = IntMap.create();
final IntMap<WebGLTexture> textures = IntMap.create();
final IntMap<IntMap<WebGLUniformLocation>> uniforms = IntMap.create();
int currProgram = 0;
Float32Array floatBuffer = TypedArrays.createFloat32Array(2000 * 20);
Int32Array intBuffer = TypedArrays.createInt32Array(2000 * 6);
Int16Array shortBuffer = TypedArrays.createInt16Array(2000 * 6);
float[] floatArray = new float[16000];
final WebGLRenderingContext gl;
protected GwtGL20 (WebGLRenderingContext gl) {
this.gl = gl;
this.gl.pixelStorei(WebGLRenderingContext.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 0);
}
public Float32Array copy (FloatBuffer buffer) {
if (GWT.isProdMode()) {
return ((Float32Array)((HasArrayBufferView)buffer).getTypedArray()).subarray(buffer.position(), buffer.remaining());
} else {
ensureCapacity(buffer);
for (int i = buffer.position(), j = 0; i < buffer.limit(); i++, j++) {
floatBuffer.set(j, buffer.get(i));
}
return floatBuffer.subarray(0, buffer.remaining());
}
}
public Int16Array copy (ShortBuffer buffer) {
if (GWT.isProdMode()) {
return ((Int16Array)((HasArrayBufferView)buffer).getTypedArray()).subarray(buffer.position(), buffer.remaining());
} else {
ensureCapacity(buffer);
for (int i = buffer.position(), j = 0; i < buffer.limit(); i++, j++) {
shortBuffer.set(j, buffer.get(i));
}
return shortBuffer.subarray(0, buffer.remaining());
}
}
public Int32Array copy (IntBuffer buffer) {
if (GWT.isProdMode()) {
return ((Int32Array)((HasArrayBufferView)buffer).getTypedArray()).subarray(buffer.position(), buffer.remaining());
} else {
ensureCapacity(buffer);
for (int i = buffer.position(), j = 0; i < buffer.limit(); i++, j++) {
intBuffer.set(j, buffer.get(i));
}
return intBuffer.subarray(0, buffer.remaining());
}
}
private void ensureCapacity (FloatBuffer buffer) {
if (buffer.remaining() > floatBuffer.length()) {
floatBuffer = TypedArrays.createFloat32Array(buffer.remaining());
}
}
private void ensureCapacity (ShortBuffer buffer) {
if (buffer.remaining() > shortBuffer.length()) {
shortBuffer = TypedArrays.createInt16Array(buffer.remaining());
}
}
private void ensureCapacity (IntBuffer buffer) {
if (buffer.remaining() > intBuffer.length()) {
intBuffer = TypedArrays.createInt32Array(buffer.remaining());
}
}
private WebGLUniformLocation getUniformLocation (int location) {
return uniforms.get(currProgram).get(location);
}
//
//
// Public methods. Please keep ordered -----------------------------------------------------------------------------
//
//
@Override
public void glActiveTexture (int texture) {
gl.activeTexture(texture);
}
@Override
public void glAttachShader (int program, int shader) {
WebGLProgram glProgram = programs.get(program);
WebGLShader glShader = shaders.get(shader);
gl.attachShader(glProgram, glShader);
}
@Override
public void glBindAttribLocation (int program, int index, String name) {
WebGLProgram glProgram = programs.get(program);
gl.bindAttribLocation(glProgram, index, name);
}
@Override
public void glBindBuffer (int target, int buffer) {
gl.bindBuffer(target, buffers.get(buffer));
}
@Override
public void glBindFramebuffer (int target, int framebuffer) {
gl.bindFramebuffer(target, frameBuffers.get(framebuffer));
}
@Override
public void glBindRenderbuffer (int target, int renderbuffer) {
gl.bindRenderbuffer(target, renderBuffers.get(renderbuffer));
}
@Override
public void glBindTexture (int target, int texture) {
gl.bindTexture(target, textures.get(texture));
}
@Override
public void glBlendColor (float red, float green, float blue, float alpha) {
gl.blendColor(red, green, blue, alpha);
}
@Override
public void glBlendEquation (int mode) {
gl.blendEquation(mode);
}
@Override
public void glBlendEquationSeparate (int modeRGB, int modeAlpha) {
gl.blendEquationSeparate(modeRGB, modeAlpha);
}
@Override
public void glBlendFunc (int sfactor, int dfactor) {
gl.blendFunc(sfactor, dfactor);
}
@Override
public void glBlendFuncSeparate (int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) {
gl.blendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
}
@Override
public void glBufferData (int target, int size, Buffer data, int usage) {
if (data instanceof FloatBuffer) {
gl.bufferData(target, copy((FloatBuffer)data), usage);
} else if (data instanceof ShortBuffer) {
gl.bufferData(target, copy((ShortBuffer)data), usage);
} else {
throw new GdxRuntimeException("Can only cope with FloatBuffer and ShortBuffer at the moment");
}
}
@Override
public void glBufferSubData (int target, int offset, int size, Buffer data) {
if (data instanceof FloatBuffer) {
gl.bufferSubData(target, offset, copy((FloatBuffer)data));
} else if (data instanceof ShortBuffer) {
gl.bufferSubData(target, offset, copy((ShortBuffer)data));
} else {
throw new GdxRuntimeException("Can only cope with FloatBuffer and ShortBuffer at the moment");
}
}
@Override
public int glCheckFramebufferStatus (int target) {
return gl.checkFramebufferStatus(target);
}
@Override
public void glClear (int mask) {
gl.clear(mask);
}
@Override
public void glClearColor (float red, float green, float blue, float alpha) {
gl.clearColor(red, green, blue, alpha);
}
@Override
public void glClearDepthf (float depth) {
gl.clearDepth(depth);
}
@Override
public void glClearStencil (int s) {
gl.clearStencil(s);
}
@Override
public void glColorMask (boolean red, boolean green, boolean blue, boolean alpha) {
gl.colorMask(red, green, blue, alpha);
}
@Override
public void glCompileShader (int shader) {
WebGLShader glShader = shaders.get(shader);
gl.compileShader(glShader);
}
@Override
public void glCompressedTexImage2D (int target, int level, int internalformat, int width, int height, int border,
int imageSize, Buffer data) {
throw new GdxRuntimeException("compressed textures not supported by GWT WebGL backend");
}
@Override
public void glCompressedTexSubImage2D (int target, int level, int xoffset, int yoffset, int width, int height, int format,
int imageSize, Buffer data) {
throw new GdxRuntimeException("compressed textures not supported by GWT WebGL backend");
}
@Override
public void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border) {
gl.copyTexImage2D(target, level, internalformat, x, y, width, height, border);
}
@Override
public void glCopyTexSubImage2D (int target, int level, int xoffset, int yoffset, int x, int y, int width, int height) {
gl.copyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
}
@Override
public int glCreateProgram () {
WebGLProgram program = gl.createProgram();
return programs.add(program);
}
@Override
public int glCreateShader (int type) {
WebGLShader shader = gl.createShader(type);
return shaders.add(shader);
}
@Override
public void glCullFace (int mode) {
gl.cullFace(mode);
}
@Override
public void glDeleteBuffer (int id) {
WebGLBuffer buffer = this.buffers.remove(id);
gl.deleteBuffer(buffer);
}
@Override
public void glDeleteBuffers (int n, IntBuffer buffers) {
for (int i = 0; i < n; i++) {
int id = buffers.get();
WebGLBuffer buffer = this.buffers.remove(id);
gl.deleteBuffer(buffer);
}
}
@Override
public void glDeleteFramebuffer (int id) {
WebGLFramebuffer fb = this.frameBuffers.remove(id);
gl.deleteFramebuffer(fb);
}
@Override
public void glDeleteFramebuffers (int n, IntBuffer framebuffers) {
for (int i = 0; i < n; i++) {
int id = framebuffers.get();
WebGLFramebuffer fb = this.frameBuffers.remove(id);
gl.deleteFramebuffer(fb);
}
}
@Override
public void glDeleteProgram (int program) {
WebGLProgram prog = programs.get(program);
programs.remove(program);
uniforms.remove(program);
gl.deleteProgram(prog);
}
@Override
public void glDeleteRenderbuffer (int id) {
WebGLRenderbuffer rb = this.renderBuffers.remove(id);
gl.deleteRenderbuffer(rb);
}
@Override
public void glDeleteRenderbuffers (int n, IntBuffer renderbuffers) {
for (int i = 0; i < n; i++) {
int id = renderbuffers.get();
WebGLRenderbuffer rb = this.renderBuffers.remove(id);
gl.deleteRenderbuffer(rb);
}
}
@Override
public void glDeleteShader (int shader) {
WebGLShader sh = shaders.remove(shader);
gl.deleteShader(sh);
}
@Override
public void glDeleteTexture (int id) {
WebGLTexture texture = this.textures.remove(id);
gl.deleteTexture(texture);
}
@Override
public void glDeleteTextures (int n, IntBuffer textures) {
for (int i = 0; i < n; i++) {
int id = textures.get();
WebGLTexture texture = this.textures.remove(id);
gl.deleteTexture(texture);
}
}
@Override
public void glDepthFunc (int func) {
gl.depthFunc(func);
}
@Override
public void glDepthMask (boolean flag) {
gl.depthMask(flag);
}
@Override
public void glDepthRangef (float zNear, float zFar) {
gl.depthRange(zNear, zFar);
}
@Override
public void glDetachShader (int program, int shader) {
gl.detachShader(programs.get(program), shaders.get(shader));
}
@Override
public void glDisable (int cap) {
gl.disable(cap);
}
@Override
public void glDisableVertexAttribArray (int index) {
gl.disableVertexAttribArray(index);
}
@Override
public void glDrawArrays (int mode, int first, int count) {
gl.drawArrays(mode, first, count);
}
@Override
public void glDrawElements (int mode, int count, int type, Buffer indices) {
gl.drawElements(mode, count, type, indices.position()); // FIXME this is assuming WebGL supports client side buffers...
}
@Override
public void glDrawElements (int mode, int count, int type, int indices) {
gl.drawElements(mode, count, type, indices);
}
@Override
public void glEnable (int cap) {
gl.enable(cap);
}
@Override
public void glEnableVertexAttribArray (int index) {
gl.enableVertexAttribArray(index);
}
@Override
public void glFinish () {
gl.finish();
}
@Override
public void glFlush () {
gl.flush();
}
@Override
public void glFramebufferRenderbuffer (int target, int attachment, int renderbuffertarget, int renderbuffer) {
gl.framebufferRenderbuffer(target, attachment, renderbuffertarget, renderBuffers.get(renderbuffer));
}
@Override
public void glFramebufferTexture2D (int target, int attachment, int textarget, int texture, int level) {
gl.framebufferTexture2D(target, attachment, textarget, textures.get(texture), level);
}
@Override
public void glFrontFace (int mode) {
gl.frontFace(mode);
}
@Override
public int glGenBuffer () {
WebGLBuffer buffer = gl.createBuffer();
return buffers.add(buffer);
}
@Override
public void glGenBuffers (int n, IntBuffer buffers) {
for (int i = 0; i < n; i++) {
WebGLBuffer buffer = gl.createBuffer();
int id = this.buffers.add(buffer);
buffers.put(id);
}
}
@Override
public void glGenerateMipmap (int target) {
gl.generateMipmap(target);
}
@Override
public int glGenFramebuffer () {
WebGLFramebuffer fb = gl.createFramebuffer();
return frameBuffers.add(fb);
}
@Override
public void glGenFramebuffers (int n, IntBuffer framebuffers) {
for (int i = 0; i < n; i++) {
WebGLFramebuffer fb = gl.createFramebuffer();
int id = this.frameBuffers.add(fb);
framebuffers.put(id);
}
}
@Override
public int glGenRenderbuffer () {
WebGLRenderbuffer rb = gl.createRenderbuffer();
return renderBuffers.add(rb);
}
@Override
public void glGenRenderbuffers (int n, IntBuffer renderbuffers) {
for (int i = 0; i < n; i++) {
WebGLRenderbuffer rb = gl.createRenderbuffer();
int id = this.renderBuffers.add(rb);
renderbuffers.put(id);
}
}
@Override
public int glGenTexture () {
WebGLTexture texture = gl.createTexture();
return textures.add(texture);
}
@Override
public void glGenTextures (int n, IntBuffer textures) {
for (int i = 0; i < n; i++) {
WebGLTexture texture = gl.createTexture();
int id = this.textures.add(texture);
textures.put(id);
}
}
@Override
public String glGetActiveAttrib (int program, int index, IntBuffer size, Buffer type) {
WebGLActiveInfo activeAttrib = gl.getActiveAttrib(programs.get(program), index);
size.put(activeAttrib.getSize());
((IntBuffer)type).put(activeAttrib.getType());
return activeAttrib.getName();
}
@Override
public String glGetActiveUniform (int program, int index, IntBuffer size, Buffer type) {
WebGLActiveInfo activeUniform = gl.getActiveUniform(programs.get(program), index);
size.put(activeUniform.getSize());
((IntBuffer)type).put(activeUniform.getType());
return activeUniform.getName();
}
@Override
public void glGetAttachedShaders (int program, int maxcount, Buffer count, IntBuffer shaders) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public int glGetAttribLocation (int program, String name) {
WebGLProgram prog = programs.get(program);
return gl.getAttribLocation(prog, name);
}
@Override
public void glGetBooleanv (int pname, Buffer params) {
throw new GdxRuntimeException("glGetBoolean not supported by GWT WebGL backend");
}
@Override
public void glGetBufferParameteriv (int target, int pname, IntBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public int glGetError () {
return gl.getError();
}
@Override
public void glGetFloatv (int pname, FloatBuffer params) {
if (pname == GL20.GL_DEPTH_CLEAR_VALUE || pname == GL20.GL_LINE_WIDTH || pname == GL20.GL_POLYGON_OFFSET_FACTOR
|| pname == GL20.GL_POLYGON_OFFSET_UNITS || pname == GL20.GL_SAMPLE_COVERAGE_VALUE)
params.put(0, gl.getParameterf(pname));
else
throw new GdxRuntimeException("glGetFloat not supported by GWT WebGL backend");
}
@Override
public void glGetFramebufferAttachmentParameteriv (int target, int attachment, int pname, IntBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public void glGetIntegerv (int pname, IntBuffer params) {
if (pname == GL20.GL_ACTIVE_TEXTURE || pname == GL20.GL_ALPHA_BITS || pname == GL20.GL_BLEND_DST_ALPHA
|| pname == GL20.GL_BLEND_DST_RGB || pname == GL20.GL_BLEND_EQUATION_ALPHA || pname == GL20.GL_BLEND_EQUATION_RGB
|| pname == GL20.GL_BLEND_SRC_ALPHA || pname == GL20.GL_BLEND_SRC_RGB || pname == GL20.GL_BLUE_BITS
|| pname == GL20.GL_CULL_FACE_MODE || pname == GL20.GL_DEPTH_BITS || pname == GL20.GL_DEPTH_FUNC
|| pname == GL20.GL_FRONT_FACE || pname == GL20.GL_GENERATE_MIPMAP_HINT || pname == GL20.GL_GREEN_BITS
|| pname == GL20.GL_IMPLEMENTATION_COLOR_READ_FORMAT || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_TYPE
|| pname == GL20.GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_CUBE_MAP_TEXTURE_SIZE
|| pname == GL20.GL_MAX_FRAGMENT_UNIFORM_VECTORS || pname == GL20.GL_MAX_RENDERBUFFER_SIZE
|| pname == GL20.GL_MAX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_TEXTURE_SIZE || pname == GL20.GL_MAX_VARYING_VECTORS
|| pname == GL20.GL_MAX_VERTEX_ATTRIBS || pname == GL20.GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS
|| pname == GL20.GL_MAX_VERTEX_UNIFORM_VECTORS || pname == GL20.GL_NUM_COMPRESSED_TEXTURE_FORMATS
|| pname == GL20.GL_PACK_ALIGNMENT || pname == GL20.GL_RED_BITS || pname == GL20.GL_SAMPLE_BUFFERS
|| pname == GL20.GL_SAMPLES || pname == GL20.GL_STENCIL_BACK_FAIL || pname == GL20.GL_STENCIL_BACK_FUNC
|| pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_FAIL || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_PASS
|| pname == GL20.GL_STENCIL_BACK_REF || pname == GL20.GL_STENCIL_BACK_VALUE_MASK
|| pname == GL20.GL_STENCIL_BACK_WRITEMASK || pname == GL20.GL_STENCIL_BITS || pname == GL20.GL_STENCIL_CLEAR_VALUE
|| pname == GL20.GL_STENCIL_FAIL || pname == GL20.GL_STENCIL_FUNC || pname == GL20.GL_STENCIL_PASS_DEPTH_FAIL
|| pname == GL20.GL_STENCIL_PASS_DEPTH_PASS || pname == GL20.GL_STENCIL_REF || pname == GL20.GL_STENCIL_VALUE_MASK
|| pname == GL20.GL_STENCIL_WRITEMASK || pname == GL20.GL_SUBPIXEL_BITS || pname == GL20.GL_UNPACK_ALIGNMENT)
params.put(0, gl.getParameteri(pname));
else
throw new GdxRuntimeException("glGetFloat not supported by GWT WebGL backend");
}
@Override
public String glGetProgramInfoLog (int program) {
return gl.getProgramInfoLog(programs.get(program));
}
@Override
public void glGetProgramiv (int program, int pname, IntBuffer params) {
if (pname == GL20.GL_DELETE_STATUS || pname == GL20.GL_LINK_STATUS || pname == GL20.GL_VALIDATE_STATUS) {
boolean result = gl.getProgramParameterb(programs.get(program), pname);
params.put(result ? GL20.GL_TRUE : GL20.GL_FALSE);
} else {
params.put(gl.getProgramParameteri(programs.get(program), pname));
}
}
@Override
public void glGetRenderbufferParameteriv (int target, int pname, IntBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public String glGetShaderInfoLog (int shader) {
return gl.getShaderInfoLog(shaders.get(shader));
}
@Override
public void glGetShaderiv (int shader, int pname, IntBuffer params) {
if (pname == GL20.GL_COMPILE_STATUS || pname == GL20.GL_DELETE_STATUS) {
boolean result = gl.getShaderParameterb(shaders.get(shader), pname);
params.put(result ? GL20.GL_TRUE : GL20.GL_FALSE);
} else {
int result = gl.getShaderParameteri(shaders.get(shader), pname);
params.put(result);
}
}
@Override
public void glGetShaderPrecisionFormat (int shadertype, int precisiontype, IntBuffer range, IntBuffer precision) {
throw new GdxRuntimeException("glGetShaderPrecisionFormat not supported by GWT WebGL backend");
}
@Override
public String glGetString (int name) {
return gl.getParameterString(name);
}
@Override
public void glGetTexParameterfv (int target, int pname, FloatBuffer params) {
throw new GdxRuntimeException("glGetTexParameter not supported by GWT WebGL backend");
}
@Override
public void glGetTexParameteriv (int target, int pname, IntBuffer params) {
throw new GdxRuntimeException("glGetTexParameter not supported by GWT WebGL backend");
}
@Override
public void glGetUniformfv (int program, int location, FloatBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public void glGetUniformiv (int program, int location, IntBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public int glGetUniformLocation (int program, String name) {
WebGLUniformLocation location = gl.getUniformLocation(programs.get(program), name);
if (location == null) return -1;
IntMap<WebGLUniformLocation> progUniforms = uniforms.get(program);
if (progUniforms == null) {
progUniforms = IntMap.create();
uniforms.put(program, progUniforms);
}
// FIXME check if uniform already stored.
int id = progUniforms.add(location);
return id;
}
@Override
public void glGetVertexAttribfv (int index, int pname, FloatBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public void glGetVertexAttribiv (int index, int pname, IntBuffer params) {
// FIXME
throw new GdxRuntimeException("not implemented");
}
@Override
public void glGetVertexAttribPointerv (int index, int pname, Buffer pointer) {
throw new GdxRuntimeException("glGetVertexAttribPointer not supported by GWT WebGL backend");
}
@Override
public void glHint (int target, int mode) {
gl.hint(target, mode);
}
@Override
public boolean glIsBuffer (int buffer) {
return gl.isBuffer(buffers.get(buffer));
}
@Override
public boolean glIsEnabled (int cap) {
return gl.isEnabled(cap);
}
@Override
public boolean glIsFramebuffer (int framebuffer) {
return gl.isFramebuffer(frameBuffers.get(framebuffer));
}
@Override
public boolean glIsProgram (int program) {
return gl.isProgram(programs.get(program));
}
@Override
public boolean glIsRenderbuffer (int renderbuffer) {
return gl.isRenderbuffer(renderBuffers.get(renderbuffer));
}
@Override
public boolean glIsShader (int shader) {
return gl.isShader(shaders.get(shader));
}
@Override
public boolean glIsTexture (int texture) {
return gl.isTexture(textures.get(texture));
}
@Override
public void glLinkProgram (int program) {
gl.linkProgram(programs.get(program));
}
@Override
public void glLineWidth (float width) {
gl.lineWidth(width);
}
@Override
public void glPixelStorei (int pname, int param) {
gl.pixelStorei(pname, param);
}
@Override
public void glPolygonOffset (float factor, float units) {
gl.polygonOffset(factor, units);
}
@Override
public void glReadPixels (int x, int y, int width, int height, int format, int type, Buffer pixels) {
// verify request
if ((format != WebGLRenderingContext.RGBA) || (type != WebGLRenderingContext.UNSIGNED_BYTE)) {
throw new GdxRuntimeException(
"Only format RGBA and type UNSIGNED_BYTE are currently supported for glReadPixels(...). Create an issue when you need other formats.");
}
if (!(pixels instanceof ByteBuffer)) {
throw new GdxRuntimeException("Inputed pixels buffer needs to be of type ByteBuffer for glReadPixels(...).");
}
// create new ArrayBufferView (4 bytes per pixel)
int size = 4 * width * height;
Uint8Array buffer = TypedArrays.createUint8Array(((HasArrayBufferView)pixels).getTypedArray().buffer(), 0, size);
// read bytes to ArrayBufferView
gl.readPixels(x, y, width, height, format, type, buffer);
}
@Override
public void glReleaseShaderCompiler () {
throw new GdxRuntimeException("not implemented");
}
@Override
public void glRenderbufferStorage (int target, int internalformat, int width, int height) {
gl.renderbufferStorage(target, internalformat, width, height);
}
@Override
public void glSampleCoverage (float value, boolean invert) {
gl.sampleCoverage(value, invert);
}
@Override
public void glScissor (int x, int y, int width, int height) {
gl.scissor(x, y, width, height);
}
@Override
public void glShaderBinary (int n, IntBuffer shaders, int binaryformat, Buffer binary, int length) {
throw new GdxRuntimeException("glShaderBinary not supported by GWT WebGL backend");
}
@Override
public void glShaderSource (int shader, String source) {
gl.shaderSource(shaders.get(shader), source);
}
@Override
public void glStencilFunc (int func, int ref, int mask) {
gl.stencilFunc(func, ref, mask);
}
@Override
public void glStencilFuncSeparate (int face, int func, int ref, int mask) {
gl.stencilFuncSeparate(face, func, ref, mask);
}
@Override
public void glStencilMask (int mask) {
gl.stencilMask(mask);
}
@Override
public void glStencilMaskSeparate (int face, int mask) {
gl.stencilMaskSeparate(face, mask);
}
@Override
public void glStencilOp (int fail, int zfail, int zpass) {
gl.stencilOp(fail, zfail, zpass);
}
@Override
public void glStencilOpSeparate (int face, int fail, int zfail, int zpass) {
gl.stencilOpSeparate(face, fail, zfail, zpass);
}
@Override
public void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type,
Buffer pixels) {
if (pixels == null) {
gl.texImage2D(target, level, internalformat, width, height, border, format, type, null);
} else {
if (pixels.limit() > 1) {
HasArrayBufferView arrayHolder = (HasArrayBufferView)pixels;
ArrayBufferView webGLArray = arrayHolder.getTypedArray();
ArrayBufferView buffer;
if (pixels instanceof FloatBuffer) {
buffer = webGLArray;
} else {
int remainingBytes = pixels.remaining() * 4;
int byteOffset = webGLArray.byteOffset() + pixels.position() * 4;
buffer = Uint8ArrayNative.create(webGLArray.buffer(), byteOffset, remainingBytes);
}
gl.texImage2D(target, level, internalformat, width, height, border, format, type, buffer);
} else {
Pixmap pixmap = Pixmap.pixmaps.get(((IntBuffer)pixels).get(0));
// Prefer to use the HTMLImageElement when possible, since reading from the CanvasElement can be lossy.
if (pixmap.canUseImageElement()) {
gl.texImage2D(target, level, internalformat, format, type, pixmap.getImageElement());
}
else {
gl.texImage2D(target, level, internalformat, format, type, pixmap.getCanvasElement());
}
}
}
}
@Override
public void glTexParameterf (int target, int pname, float param) {
gl.texParameterf(target, pname, param);
}
@Override
public void glTexParameterfv (int target, int pname, FloatBuffer params) {
gl.texParameterf(target, pname, params.get());
}
@Override
public void glTexParameteri (int target, int pname, int param) {
gl.texParameterf(target, pname, param);
}
@Override
public void glTexParameteriv (int target, int pname, IntBuffer params) {
gl.texParameterf(target, pname, params.get());
}
@Override
public void glTexSubImage2D (int target, int level, int xoffset, int yoffset, int width, int height, int format, int type,
Buffer pixels) {
if (pixels.limit() > 1) {
HasArrayBufferView arrayHolder = (HasArrayBufferView) pixels;
ArrayBufferView webGLArray = arrayHolder.getTypedArray();
ArrayBufferView buffer;
if (pixels instanceof FloatBuffer) {
buffer = webGLArray;
} else {
int remainingBytes = pixels.remaining() * 4;
int byteOffset = webGLArray.byteOffset() + pixels.position() * 4;
buffer = Uint8ArrayNative.create(webGLArray.buffer(), byteOffset, remainingBytes);
}
gl.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, buffer);
} else {
Pixmap pixmap = Pixmap.pixmaps.get(((IntBuffer) pixels).get(0));
gl.texSubImage2D(target, level, xoffset, yoffset, format, type, pixmap.getCanvasElement());
}
}
@Override
public void glUniform1f (int location, float x) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1f(loc, x);
}
@Override
public void glUniform1fv (int location, int count, FloatBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1fv(loc, copy(v));
}
@Override
public void glUniform1fv (int location, int count, float[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1fv(loc, v);
}
@Override
public void glUniform1i (int location, int x) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1i(loc, x);
}
@Override
public void glUniform1iv (int location, int count, IntBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1iv(loc, copy(v));
}
@Override
public void glUniform1iv (int location, int count, int[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform1iv(loc, v);
}
@Override
public void glUniform2f (int location, float x, float y) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2f(loc, x, y);
}
@Override
public void glUniform2fv (int location, int count, FloatBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2fv(loc, copy(v));
}
@Override
public void glUniform2fv (int location, int count, float[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2fv(loc, v);
}
@Override
public void glUniform2i (int location, int x, int y) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2i(loc, x, y);
}
@Override
public void glUniform2iv (int location, int count, IntBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2iv(loc, copy(v));
}
@Override
public void glUniform2iv (int location, int count, int[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform2iv(loc, v);
}
@Override
public void glUniform3f (int location, float x, float y, float z) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3f(loc, x, y, z);
}
@Override
public void glUniform3fv (int location, int count, FloatBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3fv(loc, copy(v));
}
@Override
public void glUniform3fv (int location, int count, float[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3fv(loc, v);
}
@Override
public void glUniform3i (int location, int x, int y, int z) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3i(loc, x, y, z);
}
@Override
public void glUniform3iv (int location, int count, IntBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3iv(loc, copy(v));
}
@Override
public void glUniform3iv (int location, int count, int[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform3iv(loc, v);
}
@Override
public void glUniform4f (int location, float x, float y, float z, float w) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4f(loc, x, y, z, w);
}
@Override
public void glUniform4fv (int location, int count, FloatBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4fv(loc, copy(v));
}
@Override
public void glUniform4fv (int location, int count, float[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4fv(loc, v);
}
@Override
public void glUniform4i (int location, int x, int y, int z, int w) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4i(loc, x, y, z, w);
}
@Override
public void glUniform4iv (int location, int count, IntBuffer v) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4iv(loc, copy(v));
}
@Override
public void glUniform4iv (int location, int count, int[] v, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniform4iv(loc, v);
}
@Override
public void glUniformMatrix2fv (int location, int count, boolean transpose, FloatBuffer value) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix2fv(loc, transpose, copy(value));
}
@Override
public void glUniformMatrix2fv (int location, int count, boolean transpose, float[] value, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix2fv(loc, transpose, value);
}
@Override
public void glUniformMatrix3fv (int location, int count, boolean transpose, FloatBuffer value) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix3fv(loc, transpose, copy(value));
}
@Override
public void glUniformMatrix3fv (int location, int count, boolean transpose, float[] value, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix3fv(loc, transpose, value);
}
@Override
public void glUniformMatrix4fv (int location, int count, boolean transpose, FloatBuffer value) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix4fv(loc, transpose, copy(value));
}
@Override
public void glUniformMatrix4fv (int location, int count, boolean transpose, float[] value, int offset) {
WebGLUniformLocation loc = getUniformLocation(location);
gl.uniformMatrix4fv(loc, transpose, value);
}
@Override
public void glUseProgram (int program) {
currProgram = program;
gl.useProgram(programs.get(program));
}
@Override
public void glValidateProgram (int program) {
gl.validateProgram(programs.get(program));
}
@Override
public void glVertexAttrib1f (int indx, float x) {
gl.vertexAttrib1f(indx, x);
}
@Override
public void glVertexAttrib1fv (int indx, FloatBuffer values) {
gl.vertexAttrib1fv(indx, copy(values));
}
@Override
public void glVertexAttrib2f (int indx, float x, float y) {
gl.vertexAttrib2f(indx, x, y);
}
@Override
public void glVertexAttrib2fv (int indx, FloatBuffer values) {
gl.vertexAttrib2fv(indx, copy(values));
}
@Override
public void glVertexAttrib3f (int indx, float x, float y, float z) {
gl.vertexAttrib3f(indx, x, y, z);
}
@Override
public void glVertexAttrib3fv (int indx, FloatBuffer values) {
gl.vertexAttrib3fv(indx, copy(values));
}
@Override
public void glVertexAttrib4f (int indx, float x, float y, float z, float w) {
gl.vertexAttrib4f(indx, x, y, z, w);
}
@Override
public void glVertexAttrib4fv (int indx, FloatBuffer values) {
gl.vertexAttrib4fv(indx, copy(values));
}
@Override
public void glVertexAttribPointer (int indx, int size, int type, boolean normalized, int stride, Buffer ptr) {
throw new GdxRuntimeException("not implemented, vertex arrays aren't support in WebGL it seems");
}
@Override
public void glVertexAttribPointer (int indx, int size, int type, boolean normalized, int stride, int ptr) {
gl.vertexAttribPointer(indx, size, type, normalized, stride, ptr);
}
@Override
public void glViewport (int x, int y, int width, int height) {
gl.viewport(x, y, width, height);
}
}